fix: prevent multiple calls to request refund [sup-9336] #654
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0xTimepunk
approved these changes
Nov 22, 2024
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requestRefund() can be done multiple times
Assume it is done for a low amount and then it is approved via approveRefund().
Then approveRefund() is front-run by a second requestRefund() which increases the requestedAmount to
a larger amount (although still <= data.expectedAmountInterimAsset)
Then the second amount will be approved
possible solutions: only allow requestRefund() once